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Related Concept Videos

Electrocardiogram Fundamentals01:28

Electrocardiogram Fundamentals

445
Introduction
An electrocardiogram (ECG) is a diagnostic tool for identifying cardiac conditions such as arrhythmias, conduction abnormalities, and myocardial ischemia.
Definition
An electrocardiogram (ECG) visualizes the heart's electrical activity by tracing the electrical movement associated with each heartbeat on a graph or monitor. As the heart beats, an electrical wave passes through it, correlating with the cardiac cycle events.
Parts of an ECG
An ECG utilizes electrodes on the skin...
445
Pulse rhythm01:30

Pulse rhythm

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Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac...
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Related Experiment Video

Updated: May 13, 2025

Ablation of Ischemic Ventricular Tachycardia Using a Multipolar Catheter and 3-dimensional Mapping System for High-density Electro-anatomical Reconstruction
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Cardiac venous system mapping for ventricular arrhythmia localization.

Matthew Hanson1, Carli Peters2, Andres Enriquez2

  • 1Division of Cardiology, Queen's University, Kingston, Ontario, Canada.

Heart Rhythm O2
|April 14, 2025
PubMed
Summary
This summary is machine-generated.

Coronary venous mapping aids in treating ventricular arrhythmias originating from the heart

Keywords:
Catheter ablationCoronary venous systemMappingPremature ventricular complexVentricular tachycardia

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Area of Science:

  • Cardiology
  • Cardiac Electrophysiology

Background:

  • The coronary venous system is a viable route for mapping and ablating ventricular arrhythmias.
  • Epicardial or intramural origins of arrhythmias can be targeted via coronary veins.

Purpose of the Study:

  • To review the anatomy of the coronary venous system.
  • To discuss scenarios where coronary venous mapping is beneficial.
  • To outline the technical aspects of coronary venous mapping.

Main Methods:

  • Review of anatomical data.
  • Analysis of clinical scenarios for venous mapping.
  • Description of technical procedures for mapping and intervention.

Main Results:

  • Coronary venous mapping guides ablation strategy selection.
  • It helps determine the need for percutaneous epicardial access.
  • It enables therapeutic interventions like radiofrequency ablation and ethanol infusion.

Conclusions:

  • Coronary venous mapping is a valuable tool for managing complex ventricular arrhythmias.
  • It offers a less invasive approach for diagnosis and treatment.
  • Understanding coronary venous anatomy is crucial for effective application.